分页类一
复制代码 代码如下:
/**
分页类
修改:silence
creatdate:2006-5-30
lastmodify:2009-5-31
使用方法
$page = new page ( $result, 20 ); //$result为返回记录集数组 ,20为返回每页条数
$index = $page->getindexbar () . $page->getpageinfo ();
print_r ( $result );
echo \
\;
echo \
\.$index.\\;
*/
class page {
private $mtotalrowsnum = 0; // 总信息行数
private $mcurpagenumber = 1; // 当前所在页
private $mtotalpagesnum = 1; // 总页数
private $mquerystring; // 页面传递的数据(url?后的字符串)
private $mpagerowsnum = 20; // 每页显示行数
private $mindexbarlength = 11; // 索引条的页数
private $mindexbar = ''; // 页码索引条
private $mpageinfo = ''; // 分页信息
// 页码索引条样式
private $mnextbutton = \8\;
private $mprebutton = \7\;
private $mfirstbutton = \9\;
private $mlastbutton = \:\;
private $mcssindexbarcurpage = \font-weight:bold;color:#ff0000\;
private $mcssindexbarpage = '';
// 分页信息样式
private $mcsspageinfonumfont = 'color:#ff0000';
private $mcsspageinfofont = '';
// 构造方法
public function __construct(&$rsqlquery, $userpagerowsnum = '') {
if (! is_array ( $rsqlquery )) {
$this->setdbpagebreak ( $rsqlquery, $userpagerowsnum );
} else {
$this->setarraypagebreak ( $rsqlquery, $userpagerowsnum );
}
}
// 设置数据库型分页
private function setdbpagebreak(&$rsqlquery, $userpagerowsnum = '') {
$this->setdbtotalrowsnum ( $rsqlquery );
$this->settotalpagesnum ( $userpagerowsnum );
if ($this->mtotalpagesnum > 1) {
$this->setcurpagenumber ();
$this->setsqlquery ( $rsqlquery );
$this->setquerystring ();
$this->setindexbar ();
$this->setpageinfo ();
}
}
// 设置数组型分页
private function setarraypagebreak(&$rarray, $userpagerowsnum = '', $usertotalrowsnum = '') {
$this->setarraytotalrowsnum ( $rarray, $usertotalrowsnum );
$this->settotalpagesnum ( $userpagerowsnum );
if ($this->mtotalpagesnum > 1) {
$this->setcurpagenumber ();
$this->setarray ( $rarray );
$this->setquerystring ();
$this->setindexbar ();
$this->setpageinfo ();
}
}
// 数据库型计算总行数
private function setdbtotalrowsnum($rsqlquery) {
$this->mtotalrowsnum = mysql_num_rows ( mysql_query ( $rsqlquery ) );
}
// 数组型计算总行数
private function setarraytotalrowsnum($array) {
$this->mtotalrowsnum = count ( $array );
}
// 计算总页数
private function settotalpagesnum($userpagerowsnum = '') {
if ($userpagerowsnum) {
$this->mpagerowsnum = $userpagerowsnum;
}
$this->mtotalpagesnum = ( int ) (floor ( ($this->mtotalrowsnum - 1) / $this->mpagerowsnum ) + 1);
}
// 计算当前页数
private function setcurpagenumber() {
if ($_get ['page']) {
$this->mcurpagenumber = $_get ['page'];
}
}
// 修正sql截取语句
private function setsqlquery(&$rsqlquery) {
$start_number = ($this->mcurpagenumber - 1) * $this->mpagerowsnum;
$rsqlquery .= \ limit \ . $start_number . \,\ . $this->mpagerowsnum;
}
// 修正截取后的array
private function setarray(&$rarray) {
$start_number = ($this->mcurpagenumber - 1) * $this->mpagerowsnum;
$rarray = array_slice ( $rarray, $start_number, $this->mpagerowsnum );
}
// 修正 $_get 传递数据
private function setquerystring() {
$query_string = $_server ['query_string'];
if ($query_string == '') {
$this->mquerystring = \?page=\;
} else {
$this->mquerystring = preg_replace ( \/&?page=\d+/\, '', $query_string );
$this->mquerystring = \?\ . $this->mquerystring . \&page=\;
}
}
// 设置页码索引条
private function getpageindex() {
if ($this->mtotalpagesnum mindexbarlength) {
$first_number = 1;
$last_number = $this->mtotalpagesnum;
} else {
$offset = ( int ) floor ( $this->mindexbarlength / 2 );
if (($this->mcurpagenumber - $offset) $first_number = 1;
} elseif (($this->mcurpagenumber + $offset) > $this->mtotalpagesnum) {
$first_number = $this->mtotalpagesnum - $this->mindexbarlength + 1;
} else {
$first_number = $this->mcurpagenumber - $offset;
}
$last_number = $first_number + $this->mindexbarlength - 1;
}
$last_number;
for($i = $first_number; $i if ($this->mcurpagenumber == $i) {
$page_index .= \\ . $i . \ \;
} else {
$page_index .= \ mquerystring%20.%20%24i%20.%20%5c%22>\ . $i . \ \;
}
}
return $page_index;
}
// 设置页码索引条
private function setindexbar() {
$this->mindexbar = $this->getnavfirstbutton ();
$this->mindexbar .= $this->getnavprebutton ();
$this->mindexbar .= $this->getpageindex ();
$this->mindexbar .= $this->getnavnextbutton ();
$this->mindexbar .= $this->getnavlastbutton ();
}
// 得到页码索引条 首页按钮
private function getnavfirstbutton() {
return \mquerystring%20.%20%5c%221>\ . $this->mfirstbutton . \ \;
}
// 得到页码索引条 上一页按钮
private function getnavprebutton() {
if ($this->mcurpagenumber > 1) {
$pre_number = $this->mcurpagenumber - 1;
} else {
$pre_number = 1;
}
return \mquerystring%20.%20%24pre_number%20.%20%5c%22>\ . $this->mprebutton . \ \;
}
// 得到页码索引条 下一页按钮
private function getnavnextbutton() {
if ($this->mcurpagenumber mtotalpagesnum) {
$next_number = $this->mcurpagenumber + 1;
} else {
$next_number = $this->mtotalpagesnum;
}
return \mquerystring%20.%20%24next_number%20.%20%5c%22>\ . $this->mnextbutton . \ \;
}
// 得到页码索引条 末页按钮
private function getnavlastbutton() {
return \mquerystring%20.%20%24this->mtotalpagesnum%20.%20%5c%22>\ . $this->mlastbutton . \ \;
}
// 设置分页信息
private function setpageinfo() {
$this->mpageinfo = \\;
$this->mpageinfo .= \共 \ . $this->mtotalrowsnum . \ 条信息 | \;
$this->mpageinfo .= \\ . $this->mpagerowsnum . \ 条/页 | \;
$this->mpageinfo .= \共 \ . $this->mtotalpagesnum . \ 页 | \;
$this->mpageinfo .= \第 \ . $this->mcurpagenumber . \ 页\;
$this->mpageinfo .= \\;
}
// 取出页码索引条
public function getindexbar() {
return $this->mindexbar;
}
// 取出分页信息
public function getpageinfo() {
return $this->mpageinfo;
}
//释放类
function __destruct() {
}
}
?>
分页类二
复制代码 代码如下: